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Note 5 - Exit and Disposal Activities - Summary of Pre-tax Restructuring Chargers (Details) - Transition of Production from the Broadway Plant [Member]
Apr. 02, 2017
USD ($)
Total Program $ 4,154,000
Recognized Costs 1,643,000
Remaining Costs to be Recognized 2,511,000
Employee Severance [Member]  
Total Program 1,422,000
Recognized Costs 1,054,000
Remaining Costs to be Recognized 368,000
Asset Impairment [Member]  
Total Program 188,000
Recognized Costs 188,000
Remaining Costs to be Recognized 0
Equipment Relocation Costs [Member]  
Total Program 2,014,000
Recognized Costs 371,000
Remaining Costs to be Recognized 1,643,000
Other Restructuring [Member]  
Total Program 530,000
Recognized Costs 30,000
Remaining Costs to be Recognized $ 500,000